. Science-gossip. Fig. 22. Special X-Ray Tube for Strong Discharges anode, supported about the middle of the glass bulband inclined at an angle of about 450 to the linejoining the anode and cathode. The tube is ex-hausted very highly, otherwise no X-Rays will beproduced, yet not too highly to prevent electricaldischarges passing through at all. When a discharge MG. 21. Adjustable Cathode X-Ray Tube. These difficulties have been overcome, chieflyowing to the work of Mr. A. A. C. Swinton, whoseresults upon the modus operandi in the interior of thetube, also upon the conditions affecting the emis
. Science-gossip. Fig. 22. Special X-Ray Tube for Strong Discharges anode, supported about the middle of the glass bulband inclined at an angle of about 450 to the linejoining the anode and cathode. The tube is ex-hausted very highly, otherwise no X-Rays will beproduced, yet not too highly to prevent electricaldischarges passing through at all. When a discharge MG. 21. Adjustable Cathode X-Ray Tube. These difficulties have been overcome, chieflyowing to the work of Mr. A. A. C. Swinton, whoseresults upon the modus operandi in the interior of thetube, also upon the conditions affecting the emissionof X-Rays, have proved of very great .importance inthe work. Among other things Mr. Swinton found,with experimental tubes made in his laboratory, thatif the anode of the tube be so arranged that thedistance between it and the cathode could be ad-justed, then a ready and very simple means was athand whereby the resistance and penetration could bealtered to suit the varied conditionsimposed. The nearer the anode
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